VOLVO
IGM-P118857 - Calibration Memory. System Programming Failures. Invalid / Incompatible Software Component
System
Unknown System / Manufacturer Specific
Volvo models this fault code applies to
Applies to the following models:
1 modelV60 (2011–)
Show models by year and engine (2)
What does this fault code mean?
Although the code is named a programming failure, it concerns a calibration file that is missing or incorrect in the IGM. The control module's internal memory keeps the vehicle configuration and calibration data. The fault is only checked once the test has started at ignition on.
Possible causes
- Calibration or parameter memory is incorrect, incompatible or not programmed
- Damaged or incorrect internal memory
What you can do
- 1Read out and clear the code, start the car and see whether it returns
- 2Have a workshop program the control module and check that the latest software is installed
- 3The high voltage system may only be handled by a workshop; do not work on it yourself
Symptoms you may notice5
- Warning symbol and text message in the display
- Warning about power supply problems from the alternator and charge regulator
- Charging of the high voltage battery while driving is absent, reduced or not working correctly
- High voltage battery is discharged or charges poorly
- HYBRID drive mode: the combustion engine is active all the time or too often
What the fault can affect1
- The high voltage battery cannot be charged by the combustion engine
General guidance for car owners. Diagnosis on the car can point to a different cause.